However, it was Gore Belgrande who really made great contributions to the design and construction of sewers in Paris. 1854, Osman Jambers Grand is responsible for the construction. By 1878, Bergland and his workers had built 600 kilometers of sewers. Subsequently, the sewer began to extend continuously, until now it is as long as 2400 kilometers.
By the end of 1999, Paris had completely treated 100% of urban wastewater and rainwater, and restored the Seine River to pollution-free water quality. The sewers in this city, like her subway, have gone through hundreds of years of development before they become what they are today. In addition to the normal launch facilities, natural gas pipelines and cables have been laid here. It was not until 2004 that its ancient vacuum postal express pipeline really withdrew from the historical stage.
In Paris, if you accidentally drop your key or valuable ring into the sewer, you can find it back according to the location of the floor drain. Streets and house numbers will also be marked in sewers. All you need is a phone call. This service is free! Behind the complete facilities and humanized design, the painstaking efforts and wisdom of several generations have been condensed.
The main sewer road of Bosquet Street condenses the whole picture of the Parisian sewer. Follow a 500-meter-long winding passage marked with the name of the street. At the foot is a 3-meter-wide waterway, where sewage flows, surrounded by various ancient and modern machinery, and forks and iron ladders appear at intervals. Further ahead is an exhibition hall, which displays pictures and models of six historical periods, including Gaul and Rome, the Middle Ages, the Renaissance, the First Empire and the July Dynasty, and the sewers in modern Paris, with descriptions in English and French. At the end of the passage is a hall, where there are three TV sets and a short film about the sewer situation in Paris is shown, which lasts about 20 minutes.